Home / 9,388.28-14,079.18-2,812.70

Finding the Fourth Proportional to 9,388.28, 14,079.18 and 2,812.70

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Solution

The fourth proportional to 9,388.28, 14,079.18 and 2,812.70 is: 4,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.28 : 14,079.18 = 2,812.70 : x
  2. Step 2: Convert to fraction form
    9,388.28/14,079.18 = 2,812.70/x
  3. Step 3: Cross multiply
    9,388.28x = 14,079.18 × 2,812.70
  4. Step 4: Simplify right side
    9,388.28x = 39,600,509.59
  5. Step 5: Solve for x
    x = 39,600,509.59/9,388.28
  6. Step 6: Final answer
    x = 4,218.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.